• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.
Knife Gate Valve Waste Water Treatment
  • Sizes : DN 50 – 600
  • Flange connection PN 10/16
  • Face-to-face dimension to EN 558, Series 20
  • With non-rising stem
  • Can be used as intermediate flange and terminal gate valve without counter flange up to 10 bar.
  • Transverse seal adjustable from the outside according to working pressure
  • With integrated scraper effect on the valve plate
  • Body bolts outside the flange sealing strips
  • Fully formed flange
  • Flange partially with blind threaded holes
  • Sealing in both flow directions, leakage rate 1.
  • Valve plate positioned in guide strips
  • Enclosed U-clamp seal with steel core profile reinforcement
  • Replacement of the profile transverse seal and guide strips without dismantling the gate valve
  • Body parts made from EN-JL 1040 (GG25)
  • Valve plate made from stainless steel 1.4301
  • Stem made from stainless steel 1.4021 + QT (hardened and tempered)

Type of drive

  • Without control unit
  • Handwheel
  • Square stem cap
  • Chainwheel drive